Home / 8,531.06-12,810.48-5,264.92

Finding the Fourth Proportional to 8,531.06, 12,810.48 and 5,264.92

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Solution

The fourth proportional to 8,531.06, 12,810.48 and 5,264.92 is: 7,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.06 : 12,810.48 = 5,264.92 : x
  2. Step 2: Convert to fraction form
    8,531.06/12,810.48 = 5,264.92/x
  3. Step 3: Cross multiply
    8,531.06x = 12,810.48 × 5,264.92
  4. Step 4: Simplify right side
    8,531.06x = 67,446,088.31
  5. Step 5: Solve for x
    x = 67,446,088.31/8,531.06
  6. Step 6: Final answer
    x = 7,905.94

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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.