Home / 4,378.48-6,566.47-1,456.81

Finding the Fourth Proportional to 4,378.48, 6,566.47 and 1,456.81

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Solution

The fourth proportional to 4,378.48, 6,566.47 and 1,456.81 is: 2,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.48 : 6,566.47 = 1,456.81 : x
  2. Step 2: Convert to fraction form
    4,378.48/6,566.47 = 1,456.81/x
  3. Step 3: Cross multiply
    4,378.48x = 6,566.47 × 1,456.81
  4. Step 4: Simplify right side
    4,378.48x = 9,566,079.10
  5. Step 5: Solve for x
    x = 9,566,079.10/4,378.48
  6. Step 6: Final answer
    x = 2,184.80

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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.