Home / 8,715.08-12,026.61-4,886.47

Finding the Fourth Proportional to 8,715.08, 12,026.61 and 4,886.47

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Solution

The fourth proportional to 8,715.08, 12,026.61 and 4,886.47 is: 6,743.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.08 : 12,026.61 = 4,886.47 : x
  2. Step 2: Convert to fraction form
    8,715.08/12,026.61 = 4,886.47/x
  3. Step 3: Cross multiply
    8,715.08x = 12,026.61 × 4,886.47
  4. Step 4: Simplify right side
    8,715.08x = 58,767,596.62
  5. Step 5: Solve for x
    x = 58,767,596.62/8,715.08
  6. Step 6: Final answer
    x = 6,743.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.