Home / 7,894.08-10,886.40-5,094.72

Finding the Fourth Proportional to 7,894.08, 10,886.40 and 5,094.72

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Solution

The fourth proportional to 7,894.08, 10,886.40 and 5,094.72 is: 7,025.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894.08 : 10,886.40 = 5,094.72 : x
  2. Step 2: Convert to fraction form
    7,894.08/10,886.40 = 5,094.72/x
  3. Step 3: Cross multiply
    7,894.08x = 10,886.40 × 5,094.72
  4. Step 4: Simplify right side
    7,894.08x = 55,463,159.81
  5. Step 5: Solve for x
    x = 55,463,159.81/7,894.08
  6. Step 6: Final answer
    x = 7,025.92

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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.