Home / 4,701.78-6,488.58-2,605.90

Finding the Fourth Proportional to 4,701.78, 6,488.58 and 2,605.90

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Solution

The fourth proportional to 4,701.78, 6,488.58 and 2,605.90 is: 3,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.78 : 6,488.58 = 2,605.90 : x
  2. Step 2: Convert to fraction form
    4,701.78/6,488.58 = 2,605.90/x
  3. Step 3: Cross multiply
    4,701.78x = 6,488.58 × 2,605.90
  4. Step 4: Simplify right side
    4,701.78x = 16,908,590.62
  5. Step 5: Solve for x
    x = 16,908,590.62/4,701.78
  6. Step 6: Final answer
    x = 3,596.21

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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.