Home / 7,042.46-9,715.15-4,653.37

Finding the Fourth Proportional to 7,042.46, 9,715.15 and 4,653.37

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Solution

The fourth proportional to 7,042.46, 9,715.15 and 4,653.37 is: 6,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.46 : 9,715.15 = 4,653.37 : x
  2. Step 2: Convert to fraction form
    7,042.46/9,715.15 = 4,653.37/x
  3. Step 3: Cross multiply
    7,042.46x = 9,715.15 × 4,653.37
  4. Step 4: Simplify right side
    7,042.46x = 45,208,187.56
  5. Step 5: Solve for x
    x = 45,208,187.56/7,042.46
  6. Step 6: Final answer
    x = 6,419.37

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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.