Home / 7,342.32-10,127.39-4,688.54

Finding the Fourth Proportional to 7,342.32, 10,127.39 and 4,688.54

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Solution

The fourth proportional to 7,342.32, 10,127.39 and 4,688.54 is: 6,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.32 : 10,127.39 = 4,688.54 : x
  2. Step 2: Convert to fraction form
    7,342.32/10,127.39 = 4,688.54/x
  3. Step 3: Cross multiply
    7,342.32x = 10,127.39 × 4,688.54
  4. Step 4: Simplify right side
    7,342.32x = 47,482,599.03
  5. Step 5: Solve for x
    x = 47,482,599.03/7,342.32
  6. Step 6: Final answer
    x = 6,466.97

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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.