Home / 8,810.75-12,159.38-5,084.75

Finding the Fourth Proportional to 8,810.75, 12,159.38 and 5,084.75

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Solution

The fourth proportional to 8,810.75, 12,159.38 and 5,084.75 is: 7,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.75 : 12,159.38 = 5,084.75 : x
  2. Step 2: Convert to fraction form
    8,810.75/12,159.38 = 5,084.75/x
  3. Step 3: Cross multiply
    8,810.75x = 12,159.38 × 5,084.75
  4. Step 4: Simplify right side
    8,810.75x = 61,827,407.46
  5. Step 5: Solve for x
    x = 61,827,407.46/8,810.75
  6. Step 6: Final answer
    x = 7,017.27

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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.