Home / 8,746.81-12,070.15-4,969.47

Finding the Fourth Proportional to 8,746.81, 12,070.15 and 4,969.47

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Solution

The fourth proportional to 8,746.81, 12,070.15 and 4,969.47 is: 6,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.81 : 12,070.15 = 4,969.47 : x
  2. Step 2: Convert to fraction form
    8,746.81/12,070.15 = 4,969.47/x
  3. Step 3: Cross multiply
    8,746.81x = 12,070.15 × 4,969.47
  4. Step 4: Simplify right side
    8,746.81x = 59,982,235.90
  5. Step 5: Solve for x
    x = 59,982,235.90/8,746.81
  6. Step 6: Final answer
    x = 6,857.61

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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.