Home / 7,355.60-11,033.40-6,549.20

Finding the Fourth Proportional to 7,355.60, 11,033.40 and 6,549.20

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Solution

The fourth proportional to 7,355.60, 11,033.40 and 6,549.20 is: 9,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.60 : 11,033.40 = 6,549.20 : x
  2. Step 2: Convert to fraction form
    7,355.60/11,033.40 = 6,549.20/x
  3. Step 3: Cross multiply
    7,355.60x = 11,033.40 × 6,549.20
  4. Step 4: Simplify right side
    7,355.60x = 72,259,943.28
  5. Step 5: Solve for x
    x = 72,259,943.28/7,355.60
  6. Step 6: Final answer
    x = 9,823.80

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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.