Home / 5,470.08-7,547.52-3,111.84

Finding the Fourth Proportional to 5,470.08, 7,547.52 and 3,111.84

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Solution

The fourth proportional to 5,470.08, 7,547.52 and 3,111.84 is: 4,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.08 : 7,547.52 = 3,111.84 : x
  2. Step 2: Convert to fraction form
    5,470.08/7,547.52 = 3,111.84/x
  3. Step 3: Cross multiply
    5,470.08x = 7,547.52 × 3,111.84
  4. Step 4: Simplify right side
    5,470.08x = 23,486,674.64
  5. Step 5: Solve for x
    x = 23,486,674.64/5,470.08
  6. Step 6: Final answer
    x = 4,293.66

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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.