Home / 7,127.21-9,833.15-4,612.50

Finding the Fourth Proportional to 7,127.21, 9,833.15 and 4,612.50

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Solution

The fourth proportional to 7,127.21, 9,833.15 and 4,612.50 is: 6,363.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.21 : 9,833.15 = 4,612.50 : x
  2. Step 2: Convert to fraction form
    7,127.21/9,833.15 = 4,612.50/x
  3. Step 3: Cross multiply
    7,127.21x = 9,833.15 × 4,612.50
  4. Step 4: Simplify right side
    7,127.21x = 45,355,381.31
  5. Step 5: Solve for x
    x = 45,355,381.31/7,127.21
  6. Step 6: Final answer
    x = 6,363.69

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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.