Home / 8,607.09-12,898.32-4,901.66

Finding the Fourth Proportional to 8,607.09, 12,898.32 and 4,901.66

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Solution

The fourth proportional to 8,607.09, 12,898.32 and 4,901.66 is: 7,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.09 : 12,898.32 = 4,901.66 : x
  2. Step 2: Convert to fraction form
    8,607.09/12,898.32 = 4,901.66/x
  3. Step 3: Cross multiply
    8,607.09x = 12,898.32 × 4,901.66
  4. Step 4: Simplify right side
    8,607.09x = 63,223,244.83
  5. Step 5: Solve for x
    x = 63,223,244.83/8,607.09
  6. Step 6: Final answer
    x = 7,345.48

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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.