Home / 4,742.15-6,547.25-4,243.94

Finding the Fourth Proportional to 4,742.15, 6,547.25 and 4,243.94

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Solution

The fourth proportional to 4,742.15, 6,547.25 and 4,243.94 is: 5,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.15 : 6,547.25 = 4,243.94 : x
  2. Step 2: Convert to fraction form
    4,742.15/6,547.25 = 4,243.94/x
  3. Step 3: Cross multiply
    4,742.15x = 6,547.25 × 4,243.94
  4. Step 4: Simplify right side
    4,742.15x = 27,786,114.04
  5. Step 5: Solve for x
    x = 27,786,114.04/4,742.15
  6. Step 6: Final answer
    x = 5,859.39

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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.