Home / 5,154.79-7,113.56-2,916.64

Finding the Fourth Proportional to 5,154.79, 7,113.56 and 2,916.64

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Solution

The fourth proportional to 5,154.79, 7,113.56 and 2,916.64 is: 4,024.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.79 : 7,113.56 = 2,916.64 : x
  2. Step 2: Convert to fraction form
    5,154.79/7,113.56 = 2,916.64/x
  3. Step 3: Cross multiply
    5,154.79x = 7,113.56 × 2,916.64
  4. Step 4: Simplify right side
    5,154.79x = 20,747,693.64
  5. Step 5: Solve for x
    x = 20,747,693.64/5,154.79
  6. Step 6: Final answer
    x = 4,024.94

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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.