Home / 7,581.78-10,465.20-4,438.98

Finding the Fourth Proportional to 7,581.78, 10,465.20 and 4,438.98

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Solution

The fourth proportional to 7,581.78, 10,465.20 and 4,438.98 is: 6,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.78 : 10,465.20 = 4,438.98 : x
  2. Step 2: Convert to fraction form
    7,581.78/10,465.20 = 4,438.98/x
  3. Step 3: Cross multiply
    7,581.78x = 10,465.20 × 4,438.98
  4. Step 4: Simplify right side
    7,581.78x = 46,454,813.50
  5. Step 5: Solve for x
    x = 46,454,813.50/7,581.78
  6. Step 6: Final answer
    x = 6,127.16

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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.