Home / 4,285.76-5,909.28-3,340.48

Finding the Fourth Proportional to 4,285.76, 5,909.28 and 3,340.48

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Solution

The fourth proportional to 4,285.76, 5,909.28 and 3,340.48 is: 4,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.76 : 5,909.28 = 3,340.48 : x
  2. Step 2: Convert to fraction form
    4,285.76/5,909.28 = 3,340.48/x
  3. Step 3: Cross multiply
    4,285.76x = 5,909.28 × 3,340.48
  4. Step 4: Simplify right side
    4,285.76x = 19,739,831.65
  5. Step 5: Solve for x
    x = 19,739,831.65/4,285.76
  6. Step 6: Final answer
    x = 4,605.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.