Home / 9,816.08-14,722.20-2,888.72

Finding the Fourth Proportional to 9,816.08, 14,722.20 and 2,888.72

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Solution

The fourth proportional to 9,816.08, 14,722.20 and 2,888.72 is: 4,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.08 : 14,722.20 = 2,888.72 : x
  2. Step 2: Convert to fraction form
    9,816.08/14,722.20 = 2,888.72/x
  3. Step 3: Cross multiply
    9,816.08x = 14,722.20 × 2,888.72
  4. Step 4: Simplify right side
    9,816.08x = 42,528,313.58
  5. Step 5: Solve for x
    x = 42,528,313.58/9,816.08
  6. Step 6: Final answer
    x = 4,332.51

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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.