Home / 5,051.17-6,970.56-2,812.91

Finding the Fourth Proportional to 5,051.17, 6,970.56 and 2,812.91

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Solution

The fourth proportional to 5,051.17, 6,970.56 and 2,812.91 is: 3,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.17 : 6,970.56 = 2,812.91 : x
  2. Step 2: Convert to fraction form
    5,051.17/6,970.56 = 2,812.91/x
  3. Step 3: Cross multiply
    5,051.17x = 6,970.56 × 2,812.91
  4. Step 4: Simplify right side
    5,051.17x = 19,607,557.93
  5. Step 5: Solve for x
    x = 19,607,557.93/5,051.17
  6. Step 6: Final answer
    x = 3,881.79

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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.