Home / 7,888.29-10,886.33-4,351.51

Finding the Fourth Proportional to 7,888.29, 10,886.33 and 4,351.51

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Solution

The fourth proportional to 7,888.29, 10,886.33 and 4,351.51 is: 6,005.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.29 : 10,886.33 = 4,351.51 : x
  2. Step 2: Convert to fraction form
    7,888.29/10,886.33 = 4,351.51/x
  3. Step 3: Cross multiply
    7,888.29x = 10,886.33 × 4,351.51
  4. Step 4: Simplify right side
    7,888.29x = 47,371,973.86
  5. Step 5: Solve for x
    x = 47,371,973.86/7,888.29
  6. Step 6: Final answer
    x = 6,005.35

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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.