Home / 8,287.19-11,433.74-4,701.55

Finding the Fourth Proportional to 8,287.19, 11,433.74 and 4,701.55

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Solution

The fourth proportional to 8,287.19, 11,433.74 and 4,701.55 is: 6,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287.19 : 11,433.74 = 4,701.55 : x
  2. Step 2: Convert to fraction form
    8,287.19/11,433.74 = 4,701.55/x
  3. Step 3: Cross multiply
    8,287.19x = 11,433.74 × 4,701.55
  4. Step 4: Simplify right side
    8,287.19x = 53,756,276.79
  5. Step 5: Solve for x
    x = 53,756,276.79/8,287.19
  6. Step 6: Final answer
    x = 6,486.68

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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.