Home / 6,218.04-8,581.50-4,643.40

Finding the Fourth Proportional to 6,218.04, 8,581.50 and 4,643.40

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Solution

The fourth proportional to 6,218.04, 8,581.50 and 4,643.40 is: 6,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218.04 : 8,581.50 = 4,643.40 : x
  2. Step 2: Convert to fraction form
    6,218.04/8,581.50 = 4,643.40/x
  3. Step 3: Cross multiply
    6,218.04x = 8,581.50 × 4,643.40
  4. Step 4: Simplify right side
    6,218.04x = 39,847,337.10
  5. Step 5: Solve for x
    x = 39,847,337.10/6,218.04
  6. Step 6: Final answer
    x = 6,408.34

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Double 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.