Home / 4,387.60-6,565.40-3,235.60

Finding the Fourth Proportional to 4,387.60, 6,565.40 and 3,235.60

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Solution

The fourth proportional to 4,387.60, 6,565.40 and 3,235.60 is: 4,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.60 : 6,565.40 = 3,235.60 : x
  2. Step 2: Convert to fraction form
    4,387.60/6,565.40 = 3,235.60/x
  3. Step 3: Cross multiply
    4,387.60x = 6,565.40 × 3,235.60
  4. Step 4: Simplify right side
    4,387.60x = 21,243,008.24
  5. Step 5: Solve for x
    x = 21,243,008.24/4,387.60
  6. Step 6: Final answer
    x = 4,841.60

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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.