Home / 5,426.92-8,139.48-1,530.28

Finding the Fourth Proportional to 5,426.92, 8,139.48 and 1,530.28

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Solution

The fourth proportional to 5,426.92, 8,139.48 and 1,530.28 is: 2,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.92 : 8,139.48 = 1,530.28 : x
  2. Step 2: Convert to fraction form
    5,426.92/8,139.48 = 1,530.28/x
  3. Step 3: Cross multiply
    5,426.92x = 8,139.48 × 1,530.28
  4. Step 4: Simplify right side
    5,426.92x = 12,455,683.45
  5. Step 5: Solve for x
    x = 12,455,683.45/5,426.92
  6. Step 6: Final answer
    x = 2,295.17

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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.