Home / 5,578.18-8,368.04-1,881.46

Finding the Fourth Proportional to 5,578.18, 8,368.04 and 1,881.46

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Solution

The fourth proportional to 5,578.18, 8,368.04 and 1,881.46 is: 2,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.18 : 8,368.04 = 1,881.46 : x
  2. Step 2: Convert to fraction form
    5,578.18/8,368.04 = 1,881.46/x
  3. Step 3: Cross multiply
    5,578.18x = 8,368.04 × 1,881.46
  4. Step 4: Simplify right side
    5,578.18x = 15,744,132.54
  5. Step 5: Solve for x
    x = 15,744,132.54/5,578.18
  6. Step 6: Final answer
    x = 2,822.45

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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.