Home / 7,664.51-10,577.13-4,520.70

Finding the Fourth Proportional to 7,664.51, 10,577.13 and 4,520.70

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Solution

The fourth proportional to 7,664.51, 10,577.13 and 4,520.70 is: 6,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.51 : 10,577.13 = 4,520.70 : x
  2. Step 2: Convert to fraction form
    7,664.51/10,577.13 = 4,520.70/x
  3. Step 3: Cross multiply
    7,664.51x = 10,577.13 × 4,520.70
  4. Step 4: Simplify right side
    7,664.51x = 47,816,031.59
  5. Step 5: Solve for x
    x = 47,816,031.59/7,664.51
  6. Step 6: Final answer
    x = 6,238.63

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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.