Home / 5,140.33-7,089.98-3,547.58

Finding the Fourth Proportional to 5,140.33, 7,089.98 and 3,547.58

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Solution

The fourth proportional to 5,140.33, 7,089.98 and 3,547.58 is: 4,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.33 : 7,089.98 = 3,547.58 : x
  2. Step 2: Convert to fraction form
    5,140.33/7,089.98 = 3,547.58/x
  3. Step 3: Cross multiply
    5,140.33x = 7,089.98 × 3,547.58
  4. Step 4: Simplify right side
    5,140.33x = 25,152,218.06
  5. Step 5: Solve for x
    x = 25,152,218.06/5,140.33
  6. Step 6: Final answer
    x = 4,893.12

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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.