Home / 7,487.94-10,333.13-4,130.75

Finding the Fourth Proportional to 7,487.94, 10,333.13 and 4,130.75

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Solution

The fourth proportional to 7,487.94, 10,333.13 and 4,130.75 is: 5,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.94 : 10,333.13 = 4,130.75 : x
  2. Step 2: Convert to fraction form
    7,487.94/10,333.13 = 4,130.75/x
  3. Step 3: Cross multiply
    7,487.94x = 10,333.13 × 4,130.75
  4. Step 4: Simplify right side
    7,487.94x = 42,683,576.75
  5. Step 5: Solve for x
    x = 42,683,576.75/7,487.94
  6. Step 6: Final answer
    x = 5,700.31

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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.