Home / 9,156.51-12,636.12-4,964.76

Finding the Fourth Proportional to 9,156.51, 12,636.12 and 4,964.76

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Solution

The fourth proportional to 9,156.51, 12,636.12 and 4,964.76 is: 6,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.51 : 12,636.12 = 4,964.76 : x
  2. Step 2: Convert to fraction form
    9,156.51/12,636.12 = 4,964.76/x
  3. Step 3: Cross multiply
    9,156.51x = 12,636.12 × 4,964.76
  4. Step 4: Simplify right side
    9,156.51x = 62,735,303.13
  5. Step 5: Solve for x
    x = 62,735,303.13/9,156.51
  6. Step 6: Final answer
    x = 6,851.44

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Double scale
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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.