Home / 7,090.68-10,614.12-4,620.18

Finding the Fourth Proportional to 7,090.68, 10,614.12 and 4,620.18

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Solution

The fourth proportional to 7,090.68, 10,614.12 and 4,620.18 is: 6,916.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.68 : 10,614.12 = 4,620.18 : x
  2. Step 2: Convert to fraction form
    7,090.68/10,614.12 = 4,620.18/x
  3. Step 3: Cross multiply
    7,090.68x = 10,614.12 × 4,620.18
  4. Step 4: Simplify right side
    7,090.68x = 49,039,144.94
  5. Step 5: Solve for x
    x = 49,039,144.94/7,090.68
  6. Step 6: Final answer
    x = 6,916.00

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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.