Home / 4,860.91-6,705.66-2,870.51

Finding the Fourth Proportional to 4,860.91, 6,705.66 and 2,870.51

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Solution

The fourth proportional to 4,860.91, 6,705.66 and 2,870.51 is: 3,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.91 : 6,705.66 = 2,870.51 : x
  2. Step 2: Convert to fraction form
    4,860.91/6,705.66 = 2,870.51/x
  3. Step 3: Cross multiply
    4,860.91x = 6,705.66 × 2,870.51
  4. Step 4: Simplify right side
    4,860.91x = 19,248,689.83
  5. Step 5: Solve for x
    x = 19,248,689.83/4,860.91
  6. Step 6: Final answer
    x = 3,959.89

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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.