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Finding the Fourth Proportional to 8,037.65, 12,041.90 and 7,862.69

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Solution

The fourth proportional to 8,037.65, 12,041.90 and 7,862.69 is: 11,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,037.65 : 12,041.90 = 7,862.69 : x
  2. Step 2: Convert to fraction form
    8,037.65/12,041.90 = 7,862.69/x
  3. Step 3: Cross multiply
    8,037.65x = 12,041.90 × 7,862.69
  4. Step 4: Simplify right side
    8,037.65x = 94,681,746.99
  5. Step 5: Solve for x
    x = 94,681,746.99/8,037.65
  6. Step 6: Final answer
    x = 11,779.78

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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.