Home / 7,417.77-11,125.63-2,487.30

Finding the Fourth Proportional to 7,417.77, 11,125.63 and 2,487.30

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Solution

The fourth proportional to 7,417.77, 11,125.63 and 2,487.30 is: 3,730.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.77 : 11,125.63 = 2,487.30 : x
  2. Step 2: Convert to fraction form
    7,417.77/11,125.63 = 2,487.30/x
  3. Step 3: Cross multiply
    7,417.77x = 11,125.63 × 2,487.30
  4. Step 4: Simplify right side
    7,417.77x = 27,672,779.50
  5. Step 5: Solve for x
    x = 27,672,779.50/7,417.77
  6. Step 6: Final answer
    x = 3,730.61

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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.