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Finding the Fourth Proportional to 5,569.81, 8,358.19 and 5,050.76

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Solution

The fourth proportional to 5,569.81, 8,358.19 and 5,050.76 is: 7,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.81 : 8,358.19 = 5,050.76 : x
  2. Step 2: Convert to fraction form
    5,569.81/8,358.19 = 5,050.76/x
  3. Step 3: Cross multiply
    5,569.81x = 8,358.19 × 5,050.76
  4. Step 4: Simplify right side
    5,569.81x = 42,215,157.31
  5. Step 5: Solve for x
    x = 42,215,157.31/5,569.81
  6. Step 6: Final answer
    x = 7,579.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.