Home / 8,730.30-13,088.54-4,345.22

Finding the Fourth Proportional to 8,730.30, 13,088.54 and 4,345.22

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Solution

The fourth proportional to 8,730.30, 13,088.54 and 4,345.22 is: 6,514.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.30 : 13,088.54 = 4,345.22 : x
  2. Step 2: Convert to fraction form
    8,730.30/13,088.54 = 4,345.22/x
  3. Step 3: Cross multiply
    8,730.30x = 13,088.54 × 4,345.22
  4. Step 4: Simplify right side
    8,730.30x = 56,872,585.78
  5. Step 5: Solve for x
    x = 56,872,585.78/8,730.30
  6. Step 6: Final answer
    x = 6,514.39

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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.