Home / 4,643.63-6,408.20-2,547.71

Finding the Fourth Proportional to 4,643.63, 6,408.20 and 2,547.71

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Solution

The fourth proportional to 4,643.63, 6,408.20 and 2,547.71 is: 3,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.63 : 6,408.20 = 2,547.71 : x
  2. Step 2: Convert to fraction form
    4,643.63/6,408.20 = 2,547.71/x
  3. Step 3: Cross multiply
    4,643.63x = 6,408.20 × 2,547.71
  4. Step 4: Simplify right side
    4,643.63x = 16,326,209.55
  5. Step 5: Solve for x
    x = 16,326,209.55/4,643.63
  6. Step 6: Final answer
    x = 3,515.83

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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.