Home / 8,731.56-13,099.06-2,888.12

Finding the Fourth Proportional to 8,731.56, 13,099.06 and 2,888.12

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Solution

The fourth proportional to 8,731.56, 13,099.06 and 2,888.12 is: 4,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.56 : 13,099.06 = 2,888.12 : x
  2. Step 2: Convert to fraction form
    8,731.56/13,099.06 = 2,888.12/x
  3. Step 3: Cross multiply
    8,731.56x = 13,099.06 × 2,888.12
  4. Step 4: Simplify right side
    8,731.56x = 37,831,657.17
  5. Step 5: Solve for x
    x = 37,831,657.17/8,731.56
  6. Step 6: Final answer
    x = 4,332.75

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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.