Home / 8,085.90-12,125.61-2,888.94

Finding the Fourth Proportional to 8,085.90, 12,125.61 and 2,888.94

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Solution

The fourth proportional to 8,085.90, 12,125.61 and 2,888.94 is: 4,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.90 : 12,125.61 = 2,888.94 : x
  2. Step 2: Convert to fraction form
    8,085.90/12,125.61 = 2,888.94/x
  3. Step 3: Cross multiply
    8,085.90x = 12,125.61 × 2,888.94
  4. Step 4: Simplify right side
    8,085.90x = 35,030,159.75
  5. Step 5: Solve for x
    x = 35,030,159.75/8,085.90
  6. Step 6: Final answer
    x = 4,332.25

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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.