Home / 4,974.19-6,864.95-2,985.84

Finding the Fourth Proportional to 4,974.19, 6,864.95 and 2,985.84

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Solution

The fourth proportional to 4,974.19, 6,864.95 and 2,985.84 is: 4,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.19 : 6,864.95 = 2,985.84 : x
  2. Step 2: Convert to fraction form
    4,974.19/6,864.95 = 2,985.84/x
  3. Step 3: Cross multiply
    4,974.19x = 6,864.95 × 2,985.84
  4. Step 4: Simplify right side
    4,974.19x = 20,497,649.77
  5. Step 5: Solve for x
    x = 20,497,649.77/4,974.19
  6. Step 6: Final answer
    x = 4,120.80

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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.