Home / 8,389.48-11,573.13-5,030.68

Finding the Fourth Proportional to 8,389.48, 11,573.13 and 5,030.68

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Solution

The fourth proportional to 8,389.48, 11,573.13 and 5,030.68 is: 6,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.48 : 11,573.13 = 5,030.68 : x
  2. Step 2: Convert to fraction form
    8,389.48/11,573.13 = 5,030.68/x
  3. Step 3: Cross multiply
    8,389.48x = 11,573.13 × 5,030.68
  4. Step 4: Simplify right side
    8,389.48x = 58,220,713.63
  5. Step 5: Solve for x
    x = 58,220,713.63/8,389.48
  6. Step 6: Final answer
    x = 6,939.73

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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.