Home / 4,338.78-5,987.47-2,570.42

Finding the Fourth Proportional to 4,338.78, 5,987.47 and 2,570.42

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Solution

The fourth proportional to 4,338.78, 5,987.47 and 2,570.42 is: 3,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.78 : 5,987.47 = 2,570.42 : x
  2. Step 2: Convert to fraction form
    4,338.78/5,987.47 = 2,570.42/x
  3. Step 3: Cross multiply
    4,338.78x = 5,987.47 × 2,570.42
  4. Step 4: Simplify right side
    4,338.78x = 15,390,312.64
  5. Step 5: Solve for x
    x = 15,390,312.64/4,338.78
  6. Step 6: Final answer
    x = 3,547.15

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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.