Home / 8,386.07-11,572.79-4,660.07

Finding the Fourth Proportional to 8,386.07, 11,572.79 and 4,660.07

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Solution

The fourth proportional to 8,386.07, 11,572.79 and 4,660.07 is: 6,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.07 : 11,572.79 = 4,660.07 : x
  2. Step 2: Convert to fraction form
    8,386.07/11,572.79 = 4,660.07/x
  3. Step 3: Cross multiply
    8,386.07x = 11,572.79 × 4,660.07
  4. Step 4: Simplify right side
    8,386.07x = 53,929,953.63
  5. Step 5: Solve for x
    x = 53,929,953.63/8,386.07
  6. Step 6: Final answer
    x = 6,430.90

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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.