Home / 5,442.32-7,511.60-3,085.76

Finding the Fourth Proportional to 5,442.32, 7,511.60 and 3,085.76

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Solution

The fourth proportional to 5,442.32, 7,511.60 and 3,085.76 is: 4,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.32 : 7,511.60 = 3,085.76 : x
  2. Step 2: Convert to fraction form
    5,442.32/7,511.60 = 3,085.76/x
  3. Step 3: Cross multiply
    5,442.32x = 7,511.60 × 3,085.76
  4. Step 4: Simplify right side
    5,442.32x = 23,178,994.82
  5. Step 5: Solve for x
    x = 23,178,994.82/5,442.32
  6. Step 6: Final answer
    x = 4,259.03

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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.