Home / 7,238.16-9,988.57-4,094.35

Finding the Fourth Proportional to 7,238.16, 9,988.57 and 4,094.35

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Solution

The fourth proportional to 7,238.16, 9,988.57 and 4,094.35 is: 5,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.16 : 9,988.57 = 4,094.35 : x
  2. Step 2: Convert to fraction form
    7,238.16/9,988.57 = 4,094.35/x
  3. Step 3: Cross multiply
    7,238.16x = 9,988.57 × 4,094.35
  4. Step 4: Simplify right side
    7,238.16x = 40,896,658.70
  5. Step 5: Solve for x
    x = 40,896,658.70/7,238.16
  6. Step 6: Final answer
    x = 5,650.15

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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.