Home / 9,127.89-13,688.64-2,552.31

Finding the Fourth Proportional to 9,127.89, 13,688.64 and 2,552.31

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Solution

The fourth proportional to 9,127.89, 13,688.64 and 2,552.31 is: 3,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.89 : 13,688.64 = 2,552.31 : x
  2. Step 2: Convert to fraction form
    9,127.89/13,688.64 = 2,552.31/x
  3. Step 3: Cross multiply
    9,127.89x = 13,688.64 × 2,552.31
  4. Step 4: Simplify right side
    9,127.89x = 34,937,652.76
  5. Step 5: Solve for x
    x = 34,937,652.76/9,127.89
  6. Step 6: Final answer
    x = 3,827.57

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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.