Home / 4,547.63-6,275.79-2,778.86

Finding the Fourth Proportional to 4,547.63, 6,275.79 and 2,778.86

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Solution

The fourth proportional to 4,547.63, 6,275.79 and 2,778.86 is: 3,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.63 : 6,275.79 = 2,778.86 : x
  2. Step 2: Convert to fraction form
    4,547.63/6,275.79 = 2,778.86/x
  3. Step 3: Cross multiply
    4,547.63x = 6,275.79 × 2,778.86
  4. Step 4: Simplify right side
    4,547.63x = 17,439,510.42
  5. Step 5: Solve for x
    x = 17,439,510.42/4,547.63
  6. Step 6: Final answer
    x = 3,834.86

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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.