Home / 7,089.68-9,784.20-4,106.16

Finding the Fourth Proportional to 7,089.68, 9,784.20 and 4,106.16

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Solution

The fourth proportional to 7,089.68, 9,784.20 and 4,106.16 is: 5,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.68 : 9,784.20 = 4,106.16 : x
  2. Step 2: Convert to fraction form
    7,089.68/9,784.20 = 4,106.16/x
  3. Step 3: Cross multiply
    7,089.68x = 9,784.20 × 4,106.16
  4. Step 4: Simplify right side
    7,089.68x = 40,175,490.67
  5. Step 5: Solve for x
    x = 40,175,490.67/7,089.68
  6. Step 6: Final answer
    x = 5,666.76

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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.