Home / 4,547.81-6,278.07-3,429.20

Finding the Fourth Proportional to 4,547.81, 6,278.07 and 3,429.20

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Solution

The fourth proportional to 4,547.81, 6,278.07 and 3,429.20 is: 4,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.81 : 6,278.07 = 3,429.20 : x
  2. Step 2: Convert to fraction form
    4,547.81/6,278.07 = 3,429.20/x
  3. Step 3: Cross multiply
    4,547.81x = 6,278.07 × 3,429.20
  4. Step 4: Simplify right side
    4,547.81x = 21,528,757.64
  5. Step 5: Solve for x
    x = 21,528,757.64/4,547.81
  6. Step 6: Final answer
    x = 4,733.87

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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.