Home / 4,658.45-6,987.60-1,885.10

Finding the Fourth Proportional to 4,658.45, 6,987.60 and 1,885.10

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Solution

The fourth proportional to 4,658.45, 6,987.60 and 1,885.10 is: 2,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.45 : 6,987.60 = 1,885.10 : x
  2. Step 2: Convert to fraction form
    4,658.45/6,987.60 = 1,885.10/x
  3. Step 3: Cross multiply
    4,658.45x = 6,987.60 × 1,885.10
  4. Step 4: Simplify right side
    4,658.45x = 13,172,289.82
  5. Step 5: Solve for x
    x = 13,172,289.82/4,658.45
  6. Step 6: Final answer
    x = 2,827.62

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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.