Home / 8,370.60-12,541.34-5,075.88

Finding the Fourth Proportional to 8,370.60, 12,541.34 and 5,075.88

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Solution

The fourth proportional to 8,370.60, 12,541.34 and 5,075.88 is: 7,604.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.60 : 12,541.34 = 5,075.88 : x
  2. Step 2: Convert to fraction form
    8,370.60/12,541.34 = 5,075.88/x
  3. Step 3: Cross multiply
    8,370.60x = 12,541.34 × 5,075.88
  4. Step 4: Simplify right side
    8,370.60x = 63,658,336.88
  5. Step 5: Solve for x
    x = 63,658,336.88/8,370.60
  6. Step 6: Final answer
    x = 7,604.99

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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.