Home / 7,518.11-10,377.07-4,374.90

Finding the Fourth Proportional to 7,518.11, 10,377.07 and 4,374.90

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Solution

The fourth proportional to 7,518.11, 10,377.07 and 4,374.90 is: 6,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.11 : 10,377.07 = 4,374.90 : x
  2. Step 2: Convert to fraction form
    7,518.11/10,377.07 = 4,374.90/x
  3. Step 3: Cross multiply
    7,518.11x = 10,377.07 × 4,374.90
  4. Step 4: Simplify right side
    7,518.11x = 45,398,643.54
  5. Step 5: Solve for x
    x = 45,398,643.54/7,518.11
  6. Step 6: Final answer
    x = 6,038.57

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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.