Home / 5,358.18-7,393.59-3,000.75

Finding the Fourth Proportional to 5,358.18, 7,393.59 and 3,000.75

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Solution

The fourth proportional to 5,358.18, 7,393.59 and 3,000.75 is: 4,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.18 : 7,393.59 = 3,000.75 : x
  2. Step 2: Convert to fraction form
    5,358.18/7,393.59 = 3,000.75/x
  3. Step 3: Cross multiply
    5,358.18x = 7,393.59 × 3,000.75
  4. Step 4: Simplify right side
    5,358.18x = 22,186,315.19
  5. Step 5: Solve for x
    x = 22,186,315.19/5,358.18
  6. Step 6: Final answer
    x = 4,140.64

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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.