Home / 7,773.40-10,726.44-4,543.28

Finding the Fourth Proportional to 7,773.40, 10,726.44 and 4,543.28

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Solution

The fourth proportional to 7,773.40, 10,726.44 and 4,543.28 is: 6,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.40 : 10,726.44 = 4,543.28 : x
  2. Step 2: Convert to fraction form
    7,773.40/10,726.44 = 4,543.28/x
  3. Step 3: Cross multiply
    7,773.40x = 10,726.44 × 4,543.28
  4. Step 4: Simplify right side
    7,773.40x = 48,733,220.32
  5. Step 5: Solve for x
    x = 48,733,220.32/7,773.40
  6. Step 6: Final answer
    x = 6,269.23

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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.