Home / 6,223.08-8,587.83-3,390.40

Finding the Fourth Proportional to 6,223.08, 8,587.83 and 3,390.40

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Solution

The fourth proportional to 6,223.08, 8,587.83 and 3,390.40 is: 4,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.08 : 8,587.83 = 3,390.40 : x
  2. Step 2: Convert to fraction form
    6,223.08/8,587.83 = 3,390.40/x
  3. Step 3: Cross multiply
    6,223.08x = 8,587.83 × 3,390.40
  4. Step 4: Simplify right side
    6,223.08x = 29,116,178.83
  5. Step 5: Solve for x
    x = 29,116,178.83/6,223.08
  6. Step 6: Final answer
    x = 4,678.74

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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.