Home / 5,470.42-7,547.73-3,112.18

Finding the Fourth Proportional to 5,470.42, 7,547.73 and 3,112.18

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Solution

The fourth proportional to 5,470.42, 7,547.73 and 3,112.18 is: 4,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.42 : 7,547.73 = 3,112.18 : x
  2. Step 2: Convert to fraction form
    5,470.42/7,547.73 = 3,112.18/x
  3. Step 3: Cross multiply
    5,470.42x = 7,547.73 × 3,112.18
  4. Step 4: Simplify right side
    5,470.42x = 23,489,894.35
  5. Step 5: Solve for x
    x = 23,489,894.35/5,470.42
  6. Step 6: Final answer
    x = 4,293.98

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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.