Home / 7,009.23-9,672.37-4,356.58

Finding the Fourth Proportional to 7,009.23, 9,672.37 and 4,356.58

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Solution

The fourth proportional to 7,009.23, 9,672.37 and 4,356.58 is: 6,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.23 : 9,672.37 = 4,356.58 : x
  2. Step 2: Convert to fraction form
    7,009.23/9,672.37 = 4,356.58/x
  3. Step 3: Cross multiply
    7,009.23x = 9,672.37 × 4,356.58
  4. Step 4: Simplify right side
    7,009.23x = 42,138,436.76
  5. Step 5: Solve for x
    x = 42,138,436.76/7,009.23
  6. Step 6: Final answer
    x = 6,011.85

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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.