Home / 7,570.78-11,356.56-2,377.06

Finding the Fourth Proportional to 7,570.78, 11,356.56 and 2,377.06

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Solution

The fourth proportional to 7,570.78, 11,356.56 and 2,377.06 is: 3,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.78 : 11,356.56 = 2,377.06 : x
  2. Step 2: Convert to fraction form
    7,570.78/11,356.56 = 2,377.06/x
  3. Step 3: Cross multiply
    7,570.78x = 11,356.56 × 2,377.06
  4. Step 4: Simplify right side
    7,570.78x = 26,995,224.51
  5. Step 5: Solve for x
    x = 26,995,224.51/7,570.78
  6. Step 6: Final answer
    x = 3,565.71

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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.