Home / 7,001.89-10,502.65-2,840.79

Finding the Fourth Proportional to 7,001.89, 10,502.65 and 2,840.79

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Solution

The fourth proportional to 7,001.89, 10,502.65 and 2,840.79 is: 4,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.89 : 10,502.65 = 2,840.79 : x
  2. Step 2: Convert to fraction form
    7,001.89/10,502.65 = 2,840.79/x
  3. Step 3: Cross multiply
    7,001.89x = 10,502.65 × 2,840.79
  4. Step 4: Simplify right side
    7,001.89x = 29,835,823.09
  5. Step 5: Solve for x
    x = 29,835,823.09/7,001.89
  6. Step 6: Final answer
    x = 4,261.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.