Home / 8,501.18-12,751.56-2,657.03

Finding the Fourth Proportional to 8,501.18, 12,751.56 and 2,657.03

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Solution

The fourth proportional to 8,501.18, 12,751.56 and 2,657.03 is: 3,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.18 : 12,751.56 = 2,657.03 : x
  2. Step 2: Convert to fraction form
    8,501.18/12,751.56 = 2,657.03/x
  3. Step 3: Cross multiply
    8,501.18x = 12,751.56 × 2,657.03
  4. Step 4: Simplify right side
    8,501.18x = 33,881,213.71
  5. Step 5: Solve for x
    x = 33,881,213.71/8,501.18
  6. Step 6: Final answer
    x = 3,985.47

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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.