Home / 7,048.49-9,726.50-3,861.15

Finding the Fourth Proportional to 7,048.49, 9,726.50 and 3,861.15

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Solution

The fourth proportional to 7,048.49, 9,726.50 and 3,861.15 is: 5,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.49 : 9,726.50 = 3,861.15 : x
  2. Step 2: Convert to fraction form
    7,048.49/9,726.50 = 3,861.15/x
  3. Step 3: Cross multiply
    7,048.49x = 9,726.50 × 3,861.15
  4. Step 4: Simplify right side
    7,048.49x = 37,555,475.48
  5. Step 5: Solve for x
    x = 37,555,475.48/7,048.49
  6. Step 6: Final answer
    x = 5,328.16

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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.