Home / 5,011.30-6,915-2,915.02

Finding the Fourth Proportional to 5,011.30, 6,915 and 2,915.02

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Solution

The fourth proportional to 5,011.30, 6,915 and 2,915.02 is: 4,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.30 : 6,915 = 2,915.02 : x
  2. Step 2: Convert to fraction form
    5,011.30/6,915 = 2,915.02/x
  3. Step 3: Cross multiply
    5,011.30x = 6,915 × 2,915.02
  4. Step 4: Simplify right side
    5,011.30x = 20,157,363.30
  5. Step 5: Solve for x
    x = 20,157,363.30/5,011.30
  6. Step 6: Final answer
    x = 4,022.38

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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.