Home / 5,130.34-7,700.37-2,666.93

Finding the Fourth Proportional to 5,130.34, 7,700.37 and 2,666.93

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Solution

The fourth proportional to 5,130.34, 7,700.37 and 2,666.93 is: 4,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.34 : 7,700.37 = 2,666.93 : x
  2. Step 2: Convert to fraction form
    5,130.34/7,700.37 = 2,666.93/x
  3. Step 3: Cross multiply
    5,130.34x = 7,700.37 × 2,666.93
  4. Step 4: Simplify right side
    5,130.34x = 20,536,299.26
  5. Step 5: Solve for x
    x = 20,536,299.26/5,130.34
  6. Step 6: Final answer
    x = 4,002.91

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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.