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Finding the Fourth Proportional to 7,312.16, 10,973.08 and 2,695.16

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Solution

The fourth proportional to 7,312.16, 10,973.08 and 2,695.16 is: 4,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.16 : 10,973.08 = 2,695.16 : x
  2. Step 2: Convert to fraction form
    7,312.16/10,973.08 = 2,695.16/x
  3. Step 3: Cross multiply
    7,312.16x = 10,973.08 × 2,695.16
  4. Step 4: Simplify right side
    7,312.16x = 29,574,206.29
  5. Step 5: Solve for x
    x = 29,574,206.29/7,312.16
  6. Step 6: Final answer
    x = 4,044.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.