Home / 5,320.19-7,341.87-2,962.80

Finding the Fourth Proportional to 5,320.19, 7,341.87 and 2,962.80

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Solution

The fourth proportional to 5,320.19, 7,341.87 and 2,962.80 is: 4,088.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.19 : 7,341.87 = 2,962.80 : x
  2. Step 2: Convert to fraction form
    5,320.19/7,341.87 = 2,962.80/x
  3. Step 3: Cross multiply
    5,320.19x = 7,341.87 × 2,962.80
  4. Step 4: Simplify right side
    5,320.19x = 21,752,455.73
  5. Step 5: Solve for x
    x = 21,752,455.73/5,320.19
  6. Step 6: Final answer
    x = 4,088.66

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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.