Home / 7,895.72-10,895.16-4,709.18

Finding the Fourth Proportional to 7,895.72, 10,895.16 and 4,709.18

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Solution

The fourth proportional to 7,895.72, 10,895.16 and 4,709.18 is: 6,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.72 : 10,895.16 = 4,709.18 : x
  2. Step 2: Convert to fraction form
    7,895.72/10,895.16 = 4,709.18/x
  3. Step 3: Cross multiply
    7,895.72x = 10,895.16 × 4,709.18
  4. Step 4: Simplify right side
    7,895.72x = 51,307,296.81
  5. Step 5: Solve for x
    x = 51,307,296.81/7,895.72
  6. Step 6: Final answer
    x = 6,498.12

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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.