Home / 7,299.55-10,070.38-5,389.93

Finding the Fourth Proportional to 7,299.55, 10,070.38 and 5,389.93

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Solution

The fourth proportional to 7,299.55, 10,070.38 and 5,389.93 is: 7,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.55 : 10,070.38 = 5,389.93 : x
  2. Step 2: Convert to fraction form
    7,299.55/10,070.38 = 5,389.93/x
  3. Step 3: Cross multiply
    7,299.55x = 10,070.38 × 5,389.93
  4. Step 4: Simplify right side
    7,299.55x = 54,278,643.27
  5. Step 5: Solve for x
    x = 54,278,643.27/7,299.55
  6. Step 6: Final answer
    x = 7,435.89

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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.