Home / 6,222.93-8,587.45-3,390.22

Finding the Fourth Proportional to 6,222.93, 8,587.45 and 3,390.22

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Solution

The fourth proportional to 6,222.93, 8,587.45 and 3,390.22 is: 4,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.93 : 8,587.45 = 3,390.22 : x
  2. Step 2: Convert to fraction form
    6,222.93/8,587.45 = 3,390.22/x
  3. Step 3: Cross multiply
    6,222.93x = 8,587.45 × 3,390.22
  4. Step 4: Simplify right side
    6,222.93x = 29,113,359.71
  5. Step 5: Solve for x
    x = 29,113,359.71/6,222.93
  6. Step 6: Final answer
    x = 4,678.40

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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.