Home / 4,870.48-6,721.22-2,981.84

Finding the Fourth Proportional to 4,870.48, 6,721.22 and 2,981.84

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Solution

The fourth proportional to 4,870.48, 6,721.22 and 2,981.84 is: 4,114.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.48 : 6,721.22 = 2,981.84 : x
  2. Step 2: Convert to fraction form
    4,870.48/6,721.22 = 2,981.84/x
  3. Step 3: Cross multiply
    4,870.48x = 6,721.22 × 2,981.84
  4. Step 4: Simplify right side
    4,870.48x = 20,041,602.64
  5. Step 5: Solve for x
    x = 20,041,602.64/4,870.48
  6. Step 6: Final answer
    x = 4,114.91

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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.