Home / 4,547.54-6,275.70-2,780.12

Finding the Fourth Proportional to 4,547.54, 6,275.70 and 2,780.12

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Solution

The fourth proportional to 4,547.54, 6,275.70 and 2,780.12 is: 3,836.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.54 : 6,275.70 = 2,780.12 : x
  2. Step 2: Convert to fraction form
    4,547.54/6,275.70 = 2,780.12/x
  3. Step 3: Cross multiply
    4,547.54x = 6,275.70 × 2,780.12
  4. Step 4: Simplify right side
    4,547.54x = 17,447,214.77
  5. Step 5: Solve for x
    x = 17,447,214.77/4,547.54
  6. Step 6: Final answer
    x = 3,836.62

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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.