Home / 4,393.13-6,590.36-1,430.61

Finding the Fourth Proportional to 4,393.13, 6,590.36 and 1,430.61

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Solution

The fourth proportional to 4,393.13, 6,590.36 and 1,430.61 is: 2,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.13 : 6,590.36 = 1,430.61 : x
  2. Step 2: Convert to fraction form
    4,393.13/6,590.36 = 1,430.61/x
  3. Step 3: Cross multiply
    4,393.13x = 6,590.36 × 1,430.61
  4. Step 4: Simplify right side
    4,393.13x = 9,428,194.81
  5. Step 5: Solve for x
    x = 9,428,194.81/4,393.13
  6. Step 6: Final answer
    x = 2,146.12

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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.