Home / 9,721.04-14,585.46-4,790.56

Finding the Fourth Proportional to 9,721.04, 14,585.46 and 4,790.56

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Solution

The fourth proportional to 9,721.04, 14,585.46 and 4,790.56 is: 7,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.04 : 14,585.46 = 4,790.56 : x
  2. Step 2: Convert to fraction form
    9,721.04/14,585.46 = 4,790.56/x
  3. Step 3: Cross multiply
    9,721.04x = 14,585.46 × 4,790.56
  4. Step 4: Simplify right side
    9,721.04x = 69,872,521.26
  5. Step 5: Solve for x
    x = 69,872,521.26/9,721.04
  6. Step 6: Final answer
    x = 7,187.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.