Home / 5,628.60-8,442.90-4,535.10

Finding the Fourth Proportional to 5,628.60, 8,442.90 and 4,535.10

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Solution

The fourth proportional to 5,628.60, 8,442.90 and 4,535.10 is: 6,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.60 : 8,442.90 = 4,535.10 : x
  2. Step 2: Convert to fraction form
    5,628.60/8,442.90 = 4,535.10/x
  3. Step 3: Cross multiply
    5,628.60x = 8,442.90 × 4,535.10
  4. Step 4: Simplify right side
    5,628.60x = 38,289,395.79
  5. Step 5: Solve for x
    x = 38,289,395.79/5,628.60
  6. Step 6: Final answer
    x = 6,802.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.