Home / 4,809.24-6,637.35-2,920.71

Finding the Fourth Proportional to 4,809.24, 6,637.35 and 2,920.71

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Solution

The fourth proportional to 4,809.24, 6,637.35 and 2,920.71 is: 4,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.24 : 6,637.35 = 2,920.71 : x
  2. Step 2: Convert to fraction form
    4,809.24/6,637.35 = 2,920.71/x
  3. Step 3: Cross multiply
    4,809.24x = 6,637.35 × 2,920.71
  4. Step 4: Simplify right side
    4,809.24x = 19,385,774.52
  5. Step 5: Solve for x
    x = 19,385,774.52/4,809.24
  6. Step 6: Final answer
    x = 4,030.94

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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.