Home / 4,547.31-6,277.38-3,428.70

Finding the Fourth Proportional to 4,547.31, 6,277.38 and 3,428.70

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Solution

The fourth proportional to 4,547.31, 6,277.38 and 3,428.70 is: 4,733.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.31 : 6,277.38 = 3,428.70 : x
  2. Step 2: Convert to fraction form
    4,547.31/6,277.38 = 3,428.70/x
  3. Step 3: Cross multiply
    4,547.31x = 6,277.38 × 3,428.70
  4. Step 4: Simplify right side
    4,547.31x = 21,523,252.81
  5. Step 5: Solve for x
    x = 21,523,252.81/4,547.31
  6. Step 6: Final answer
    x = 4,733.18

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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.