Home / 4,329.77-6,490.76-1,555.79

Finding the Fourth Proportional to 4,329.77, 6,490.76 and 1,555.79

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Solution

The fourth proportional to 4,329.77, 6,490.76 and 1,555.79 is: 2,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.77 : 6,490.76 = 1,555.79 : x
  2. Step 2: Convert to fraction form
    4,329.77/6,490.76 = 1,555.79/x
  3. Step 3: Cross multiply
    4,329.77x = 6,490.76 × 1,555.79
  4. Step 4: Simplify right side
    4,329.77x = 10,098,219.27
  5. Step 5: Solve for x
    x = 10,098,219.27/4,329.77
  6. Step 6: Final answer
    x = 2,332.28

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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.