Home / 5,312.02-7,330.76-2,922.09

Finding the Fourth Proportional to 5,312.02, 7,330.76 and 2,922.09

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Solution

The fourth proportional to 5,312.02, 7,330.76 and 2,922.09 is: 4,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.02 : 7,330.76 = 2,922.09 : x
  2. Step 2: Convert to fraction form
    5,312.02/7,330.76 = 2,922.09/x
  3. Step 3: Cross multiply
    5,312.02x = 7,330.76 × 2,922.09
  4. Step 4: Simplify right side
    5,312.02x = 21,421,147.79
  5. Step 5: Solve for x
    x = 21,421,147.79/5,312.02
  6. Step 6: Final answer
    x = 4,032.58

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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.