Home / 5,011.20-6,916.05-2,915.32

Finding the Fourth Proportional to 5,011.20, 6,916.05 and 2,915.32

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Solution

The fourth proportional to 5,011.20, 6,916.05 and 2,915.32 is: 4,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.20 : 6,916.05 = 2,915.32 : x
  2. Step 2: Convert to fraction form
    5,011.20/6,916.05 = 2,915.32/x
  3. Step 3: Cross multiply
    5,011.20x = 6,916.05 × 2,915.32
  4. Step 4: Simplify right side
    5,011.20x = 20,162,498.89
  5. Step 5: Solve for x
    x = 20,162,498.89/5,011.20
  6. Step 6: Final answer
    x = 4,023.49

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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.