Home / 7,731.64-10,669.58-4,374.40

Finding the Fourth Proportional to 7,731.64, 10,669.58 and 4,374.40

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Solution

The fourth proportional to 7,731.64, 10,669.58 and 4,374.40 is: 6,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.64 : 10,669.58 = 4,374.40 : x
  2. Step 2: Convert to fraction form
    7,731.64/10,669.58 = 4,374.40/x
  3. Step 3: Cross multiply
    7,731.64x = 10,669.58 × 4,374.40
  4. Step 4: Simplify right side
    7,731.64x = 46,673,010.75
  5. Step 5: Solve for x
    x = 46,673,010.75/7,731.64
  6. Step 6: Final answer
    x = 6,036.62

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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.