Home / 7,612.75-10,506-4,628.10

Finding the Fourth Proportional to 7,612.75, 10,506 and 4,628.10

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Solution

The fourth proportional to 7,612.75, 10,506 and 4,628.10 is: 6,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.75 : 10,506 = 4,628.10 : x
  2. Step 2: Convert to fraction form
    7,612.75/10,506 = 4,628.10/x
  3. Step 3: Cross multiply
    7,612.75x = 10,506 × 4,628.10
  4. Step 4: Simplify right side
    7,612.75x = 48,622,818.60
  5. Step 5: Solve for x
    x = 48,622,818.60/7,612.75
  6. Step 6: Final answer
    x = 6,387.02

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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.