Home / 4,302.60-6,455.10-2,111.40

Finding the Fourth Proportional to 4,302.60, 6,455.10 and 2,111.40

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Solution

The fourth proportional to 4,302.60, 6,455.10 and 2,111.40 is: 3,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.60 : 6,455.10 = 2,111.40 : x
  2. Step 2: Convert to fraction form
    4,302.60/6,455.10 = 2,111.40/x
  3. Step 3: Cross multiply
    4,302.60x = 6,455.10 × 2,111.40
  4. Step 4: Simplify right side
    4,302.60x = 13,629,298.14
  5. Step 5: Solve for x
    x = 13,629,298.14/4,302.60
  6. Step 6: Final answer
    x = 3,167.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.