Home / 5,051.04-6,970.35-2,812.86

Finding the Fourth Proportional to 5,051.04, 6,970.35 and 2,812.86

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Solution

The fourth proportional to 5,051.04, 6,970.35 and 2,812.86 is: 3,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.04 : 6,970.35 = 2,812.86 : x
  2. Step 2: Convert to fraction form
    5,051.04/6,970.35 = 2,812.86/x
  3. Step 3: Cross multiply
    5,051.04x = 6,970.35 × 2,812.86
  4. Step 4: Simplify right side
    5,051.04x = 19,606,618.70
  5. Step 5: Solve for x
    x = 19,606,618.70/5,051.04
  6. Step 6: Final answer
    x = 3,881.70

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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.