Home / 4,815.02-7,221.80-1,527.69

Finding the Fourth Proportional to 4,815.02, 7,221.80 and 1,527.69

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Solution

The fourth proportional to 4,815.02, 7,221.80 and 1,527.69 is: 2,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.02 : 7,221.80 = 1,527.69 : x
  2. Step 2: Convert to fraction form
    4,815.02/7,221.80 = 1,527.69/x
  3. Step 3: Cross multiply
    4,815.02x = 7,221.80 × 1,527.69
  4. Step 4: Simplify right side
    4,815.02x = 11,032,649.77
  5. Step 5: Solve for x
    x = 11,032,649.77/4,815.02
  6. Step 6: Final answer
    x = 2,291.30

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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.