Home / 4,712.81-6,488.78-3,590.15

Finding the Fourth Proportional to 4,712.81, 6,488.78 and 3,590.15

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Solution

The fourth proportional to 4,712.81, 6,488.78 and 3,590.15 is: 4,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.81 : 6,488.78 = 3,590.15 : x
  2. Step 2: Convert to fraction form
    4,712.81/6,488.78 = 3,590.15/x
  3. Step 3: Cross multiply
    4,712.81x = 6,488.78 × 3,590.15
  4. Step 4: Simplify right side
    4,712.81x = 23,295,643.12
  5. Step 5: Solve for x
    x = 23,295,643.12/4,712.81
  6. Step 6: Final answer
    x = 4,943.05

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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.