Home / 6,624.60-9,135.90-5,298.36

Finding the Fourth Proportional to 6,624.60, 9,135.90 and 5,298.36

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Solution

The fourth proportional to 6,624.60, 9,135.90 and 5,298.36 is: 7,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.60 : 9,135.90 = 5,298.36 : x
  2. Step 2: Convert to fraction form
    6,624.60/9,135.90 = 5,298.36/x
  3. Step 3: Cross multiply
    6,624.60x = 9,135.90 × 5,298.36
  4. Step 4: Simplify right side
    6,624.60x = 48,405,287.12
  5. Step 5: Solve for x
    x = 48,405,287.12/6,624.60
  6. Step 6: Final answer
    x = 7,306.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.