Home / 4,678.57-6,456.40-2,582.70

Finding the Fourth Proportional to 4,678.57, 6,456.40 and 2,582.70

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Solution

The fourth proportional to 4,678.57, 6,456.40 and 2,582.70 is: 3,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.57 : 6,456.40 = 2,582.70 : x
  2. Step 2: Convert to fraction form
    4,678.57/6,456.40 = 2,582.70/x
  3. Step 3: Cross multiply
    4,678.57x = 6,456.40 × 2,582.70
  4. Step 4: Simplify right side
    4,678.57x = 16,674,944.28
  5. Step 5: Solve for x
    x = 16,674,944.28/4,678.57
  6. Step 6: Final answer
    x = 3,564.11

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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.