Home / 7,320.85-10,102.13-4,336.18

Finding the Fourth Proportional to 7,320.85, 10,102.13 and 4,336.18

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Solution

The fourth proportional to 7,320.85, 10,102.13 and 4,336.18 is: 5,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.85 : 10,102.13 = 4,336.18 : x
  2. Step 2: Convert to fraction form
    7,320.85/10,102.13 = 4,336.18/x
  3. Step 3: Cross multiply
    7,320.85x = 10,102.13 × 4,336.18
  4. Step 4: Simplify right side
    7,320.85x = 43,804,623.39
  5. Step 5: Solve for x
    x = 43,804,623.39/7,320.85
  6. Step 6: Final answer
    x = 5,983.55

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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.