Home / 8,390.73-11,574.85-5,031.93

Finding the Fourth Proportional to 8,390.73, 11,574.85 and 5,031.93

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Solution

The fourth proportional to 8,390.73, 11,574.85 and 5,031.93 is: 6,941.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.73 : 11,574.85 = 5,031.93 : x
  2. Step 2: Convert to fraction form
    8,390.73/11,574.85 = 5,031.93/x
  3. Step 3: Cross multiply
    8,390.73x = 11,574.85 × 5,031.93
  4. Step 4: Simplify right side
    8,390.73x = 58,243,809.80
  5. Step 5: Solve for x
    x = 58,243,809.80/8,390.73
  6. Step 6: Final answer
    x = 6,941.45

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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.