Home / 6,117.10-8,436.90-4,124.50

Finding the Fourth Proportional to 6,117.10, 8,436.90 and 4,124.50

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Solution

The fourth proportional to 6,117.10, 8,436.90 and 4,124.50 is: 5,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.10 : 8,436.90 = 4,124.50 : x
  2. Step 2: Convert to fraction form
    6,117.10/8,436.90 = 4,124.50/x
  3. Step 3: Cross multiply
    6,117.10x = 8,436.90 × 4,124.50
  4. Step 4: Simplify right side
    6,117.10x = 34,797,994.05
  5. Step 5: Solve for x
    x = 34,797,994.05/6,117.10
  6. Step 6: Final answer
    x = 5,688.64

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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.