Home / 5,153.04-7,111.80-3,056.76

Finding the Fourth Proportional to 5,153.04, 7,111.80 and 3,056.76

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Solution

The fourth proportional to 5,153.04, 7,111.80 and 3,056.76 is: 4,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.04 : 7,111.80 = 3,056.76 : x
  2. Step 2: Convert to fraction form
    5,153.04/7,111.80 = 3,056.76/x
  3. Step 3: Cross multiply
    5,153.04x = 7,111.80 × 3,056.76
  4. Step 4: Simplify right side
    5,153.04x = 21,739,065.77
  5. Step 5: Solve for x
    x = 21,739,065.77/5,153.04
  6. Step 6: Final answer
    x = 4,218.69

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Half 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.