Home / 5,585.76-8,378.36-2,298.78

Finding the Fourth Proportional to 5,585.76, 8,378.36 and 2,298.78

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Solution

The fourth proportional to 5,585.76, 8,378.36 and 2,298.78 is: 3,448.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.76 : 8,378.36 = 2,298.78 : x
  2. Step 2: Convert to fraction form
    5,585.76/8,378.36 = 2,298.78/x
  3. Step 3: Cross multiply
    5,585.76x = 8,378.36 × 2,298.78
  4. Step 4: Simplify right side
    5,585.76x = 19,260,006.40
  5. Step 5: Solve for x
    x = 19,260,006.40/5,585.76
  6. Step 6: Final answer
    x = 3,448.05

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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.