Home / 7,908.51-10,913.56-4,371.65

Finding the Fourth Proportional to 7,908.51, 10,913.56 and 4,371.65

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Solution

The fourth proportional to 7,908.51, 10,913.56 and 4,371.65 is: 6,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.51 : 10,913.56 = 4,371.65 : x
  2. Step 2: Convert to fraction form
    7,908.51/10,913.56 = 4,371.65/x
  3. Step 3: Cross multiply
    7,908.51x = 10,913.56 × 4,371.65
  4. Step 4: Simplify right side
    7,908.51x = 47,710,199.08
  5. Step 5: Solve for x
    x = 47,710,199.08/7,908.51
  6. Step 6: Final answer
    x = 6,032.77

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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.