Home / 8,386.08-11,572.64-4,660

Finding the Fourth Proportional to 8,386.08, 11,572.64 and 4,660

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Solution

The fourth proportional to 8,386.08, 11,572.64 and 4,660 is: 6,430.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.08 : 11,572.64 = 4,660 : x
  2. Step 2: Convert to fraction form
    8,386.08/11,572.64 = 4,660/x
  3. Step 3: Cross multiply
    8,386.08x = 11,572.64 × 4,660
  4. Step 4: Simplify right side
    8,386.08x = 53,928,502.40
  5. Step 5: Solve for x
    x = 53,928,502.40/8,386.08
  6. Step 6: Final answer
    x = 6,430.72

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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.