Home / 5,379.16-7,412.97-4,632.88

Finding the Fourth Proportional to 5,379.16, 7,412.97 and 4,632.88

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Solution

The fourth proportional to 5,379.16, 7,412.97 and 4,632.88 is: 6,384.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.16 : 7,412.97 = 4,632.88 : x
  2. Step 2: Convert to fraction form
    5,379.16/7,412.97 = 4,632.88/x
  3. Step 3: Cross multiply
    5,379.16x = 7,412.97 × 4,632.88
  4. Step 4: Simplify right side
    5,379.16x = 34,343,400.45
  5. Step 5: Solve for x
    x = 34,343,400.45/5,379.16
  6. Step 6: Final answer
    x = 6,384.53

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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.