Home / 5,981.80-8,242.40-5,566.56

Finding the Fourth Proportional to 5,981.80, 8,242.40 and 5,566.56

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Solution

The fourth proportional to 5,981.80, 8,242.40 and 5,566.56 is: 7,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.80 : 8,242.40 = 5,566.56 : x
  2. Step 2: Convert to fraction form
    5,981.80/8,242.40 = 5,566.56/x
  3. Step 3: Cross multiply
    5,981.80x = 8,242.40 × 5,566.56
  4. Step 4: Simplify right side
    5,981.80x = 45,881,814.14
  5. Step 5: Solve for x
    x = 45,881,814.14/5,981.80
  6. Step 6: Final answer
    x = 7,670.24

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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.