Home / 4,870.49-6,721.85-2,774.93

Finding the Fourth Proportional to 4,870.49, 6,721.85 and 2,774.93

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Solution

The fourth proportional to 4,870.49, 6,721.85 and 2,774.93 is: 3,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.49 : 6,721.85 = 2,774.93 : x
  2. Step 2: Convert to fraction form
    4,870.49/6,721.85 = 2,774.93/x
  3. Step 3: Cross multiply
    4,870.49x = 6,721.85 × 2,774.93
  4. Step 4: Simplify right side
    4,870.49x = 18,652,663.22
  5. Step 5: Solve for x
    x = 18,652,663.22/4,870.49
  6. Step 6: Final answer
    x = 3,829.73

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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.