Home / 6,263.50-8,643.27-3,430.87

Finding the Fourth Proportional to 6,263.50, 8,643.27 and 3,430.87

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Solution

The fourth proportional to 6,263.50, 8,643.27 and 3,430.87 is: 4,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.50 : 8,643.27 = 3,430.87 : x
  2. Step 2: Convert to fraction form
    6,263.50/8,643.27 = 3,430.87/x
  3. Step 3: Cross multiply
    6,263.50x = 8,643.27 × 3,430.87
  4. Step 4: Simplify right side
    6,263.50x = 29,653,935.74
  5. Step 5: Solve for x
    x = 29,653,935.74/6,263.50
  6. Step 6: Final answer
    x = 4,734.40

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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.