Home / 4,931.92-7,395.68-1,851.76

Finding the Fourth Proportional to 4,931.92, 7,395.68 and 1,851.76

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Solution

The fourth proportional to 4,931.92, 7,395.68 and 1,851.76 is: 2,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.92 : 7,395.68 = 1,851.76 : x
  2. Step 2: Convert to fraction form
    4,931.92/7,395.68 = 1,851.76/x
  3. Step 3: Cross multiply
    4,931.92x = 7,395.68 × 1,851.76
  4. Step 4: Simplify right side
    4,931.92x = 13,695,024.40
  5. Step 5: Solve for x
    x = 13,695,024.40/4,931.92
  6. Step 6: Final answer
    x = 2,776.81

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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.