Home / 5,184.77-7,154.46-2,915.87

Finding the Fourth Proportional to 5,184.77, 7,154.46 and 2,915.87

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Solution

The fourth proportional to 5,184.77, 7,154.46 and 2,915.87 is: 4,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.77 : 7,154.46 = 2,915.87 : x
  2. Step 2: Convert to fraction form
    5,184.77/7,154.46 = 2,915.87/x
  3. Step 3: Cross multiply
    5,184.77x = 7,154.46 × 2,915.87
  4. Step 4: Simplify right side
    5,184.77x = 20,861,439.51
  5. Step 5: Solve for x
    x = 20,861,439.51/5,184.77
  6. Step 6: Final answer
    x = 4,023.60

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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.