Home / 5,445.28-8,127.95-4,983.58

Finding the Fourth Proportional to 5,445.28, 8,127.95 and 4,983.58

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Solution

The fourth proportional to 5,445.28, 8,127.95 and 4,983.58 is: 7,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.28 : 8,127.95 = 4,983.58 : x
  2. Step 2: Convert to fraction form
    5,445.28/8,127.95 = 4,983.58/x
  3. Step 3: Cross multiply
    5,445.28x = 8,127.95 × 4,983.58
  4. Step 4: Simplify right side
    5,445.28x = 40,506,289.06
  5. Step 5: Solve for x
    x = 40,506,289.06/5,445.28
  6. Step 6: Final answer
    x = 7,438.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.