Home / 8,971.15-13,443.08-4,284.71

Finding the Fourth Proportional to 8,971.15, 13,443.08 and 4,284.71

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Solution

The fourth proportional to 8,971.15, 13,443.08 and 4,284.71 is: 6,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.15 : 13,443.08 = 4,284.71 : x
  2. Step 2: Convert to fraction form
    8,971.15/13,443.08 = 4,284.71/x
  3. Step 3: Cross multiply
    8,971.15x = 13,443.08 × 4,284.71
  4. Step 4: Simplify right side
    8,971.15x = 57,599,701.25
  5. Step 5: Solve for x
    x = 57,599,701.25/8,971.15
  6. Step 6: Final answer
    x = 6,420.55

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1.5x scale

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.