Home / 6,549.20-9,826.40-2,389.50

Finding the Fourth Proportional to 6,549.20, 9,826.40 and 2,389.50

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Solution

The fourth proportional to 6,549.20, 9,826.40 and 2,389.50 is: 3,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,549.20 : 9,826.40 = 2,389.50 : x
  2. Step 2: Convert to fraction form
    6,549.20/9,826.40 = 2,389.50/x
  3. Step 3: Cross multiply
    6,549.20x = 9,826.40 × 2,389.50
  4. Step 4: Simplify right side
    6,549.20x = 23,480,182.80
  5. Step 5: Solve for x
    x = 23,480,182.80/6,549.20
  6. Step 6: Final answer
    x = 3,585.20

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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.