Home / 5,031.52-7,550.72-3,077.76

Finding the Fourth Proportional to 5,031.52, 7,550.72 and 3,077.76

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Solution

The fourth proportional to 5,031.52, 7,550.72 and 3,077.76 is: 4,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.52 : 7,550.72 = 3,077.76 : x
  2. Step 2: Convert to fraction form
    5,031.52/7,550.72 = 3,077.76/x
  3. Step 3: Cross multiply
    5,031.52x = 7,550.72 × 3,077.76
  4. Step 4: Simplify right side
    5,031.52x = 23,239,303.99
  5. Step 5: Solve for x
    x = 23,239,303.99/5,031.52
  6. Step 6: Final answer
    x = 4,618.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.