Home / 7,260.79-10,020.86-4,276.60

Finding the Fourth Proportional to 7,260.79, 10,020.86 and 4,276.60

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Solution

The fourth proportional to 7,260.79, 10,020.86 and 4,276.60 is: 5,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.79 : 10,020.86 = 4,276.60 : x
  2. Step 2: Convert to fraction form
    7,260.79/10,020.86 = 4,276.60/x
  3. Step 3: Cross multiply
    7,260.79x = 10,020.86 × 4,276.60
  4. Step 4: Simplify right side
    7,260.79x = 42,855,203.53
  5. Step 5: Solve for x
    x = 42,855,203.53/7,260.79
  6. Step 6: Final answer
    x = 5,902.28

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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.