Home / 9,118.17-12,580.99-5,756.94

Finding the Fourth Proportional to 9,118.17, 12,580.99 and 5,756.94

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Solution

The fourth proportional to 9,118.17, 12,580.99 and 5,756.94 is: 7,943.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.17 : 12,580.99 = 5,756.94 : x
  2. Step 2: Convert to fraction form
    9,118.17/12,580.99 = 5,756.94/x
  3. Step 3: Cross multiply
    9,118.17x = 12,580.99 × 5,756.94
  4. Step 4: Simplify right side
    9,118.17x = 72,427,990.18
  5. Step 5: Solve for x
    x = 72,427,990.18/9,118.17
  6. Step 6: Final answer
    x = 7,943.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.