Home / 4,045.60-6,069.26-1,272.48

Finding the Fourth Proportional to 4,045.60, 6,069.26 and 1,272.48

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Solution

The fourth proportional to 4,045.60, 6,069.26 and 1,272.48 is: 1,909.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.60 : 6,069.26 = 1,272.48 : x
  2. Step 2: Convert to fraction form
    4,045.60/6,069.26 = 1,272.48/x
  3. Step 3: Cross multiply
    4,045.60x = 6,069.26 × 1,272.48
  4. Step 4: Simplify right side
    4,045.60x = 7,723,036.89
  5. Step 5: Solve for x
    x = 7,723,036.89/4,045.60
  6. Step 6: Final answer
    x = 1,909.00

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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.