Home / 6,117.60-9,176.40-3,655.20

Finding the Fourth Proportional to 6,117.60, 9,176.40 and 3,655.20

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Solution

The fourth proportional to 6,117.60, 9,176.40 and 3,655.20 is: 5,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.60 : 9,176.40 = 3,655.20 : x
  2. Step 2: Convert to fraction form
    6,117.60/9,176.40 = 3,655.20/x
  3. Step 3: Cross multiply
    6,117.60x = 9,176.40 × 3,655.20
  4. Step 4: Simplify right side
    6,117.60x = 33,541,577.28
  5. Step 5: Solve for x
    x = 33,541,577.28/6,117.60
  6. Step 6: Final answer
    x = 5,482.80

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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.