Home / 5,011.48-6,915.36-2,915.68

Finding the Fourth Proportional to 5,011.48, 6,915.36 and 2,915.68

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Solution

The fourth proportional to 5,011.48, 6,915.36 and 2,915.68 is: 4,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.48 : 6,915.36 = 2,915.68 : x
  2. Step 2: Convert to fraction form
    5,011.48/6,915.36 = 2,915.68/x
  3. Step 3: Cross multiply
    5,011.48x = 6,915.36 × 2,915.68
  4. Step 4: Simplify right side
    5,011.48x = 20,162,976.84
  5. Step 5: Solve for x
    x = 20,162,976.84/5,011.48
  6. Step 6: Final answer
    x = 4,023.36

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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.