Home / 5,670.96-7,823.39-3,312.06

Finding the Fourth Proportional to 5,670.96, 7,823.39 and 3,312.06

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Solution

The fourth proportional to 5,670.96, 7,823.39 and 3,312.06 is: 4,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.96 : 7,823.39 = 3,312.06 : x
  2. Step 2: Convert to fraction form
    5,670.96/7,823.39 = 3,312.06/x
  3. Step 3: Cross multiply
    5,670.96x = 7,823.39 × 3,312.06
  4. Step 4: Simplify right side
    5,670.96x = 25,911,537.08
  5. Step 5: Solve for x
    x = 25,911,537.08/5,670.96
  6. Step 6: Final answer
    x = 4,569.16

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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.