Home / 5,621.40-8,432.10-4,564.35

Finding the Fourth Proportional to 5,621.40, 8,432.10 and 4,564.35

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Solution

The fourth proportional to 5,621.40, 8,432.10 and 4,564.35 is: 6,846.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.40 : 8,432.10 = 4,564.35 : x
  2. Step 2: Convert to fraction form
    5,621.40/8,432.10 = 4,564.35/x
  3. Step 3: Cross multiply
    5,621.40x = 8,432.10 × 4,564.35
  4. Step 4: Simplify right side
    5,621.40x = 38,487,055.64
  5. Step 5: Solve for x
    x = 38,487,055.64/5,621.40
  6. Step 6: Final answer
    x = 6,846.53

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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.