Home / 6,153.18-8,498.43-5,620.74

Finding the Fourth Proportional to 6,153.18, 8,498.43 and 5,620.74

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Solution

The fourth proportional to 6,153.18, 8,498.43 and 5,620.74 is: 7,763.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.18 : 8,498.43 = 5,620.74 : x
  2. Step 2: Convert to fraction form
    6,153.18/8,498.43 = 5,620.74/x
  3. Step 3: Cross multiply
    6,153.18x = 8,498.43 × 5,620.74
  4. Step 4: Simplify right side
    6,153.18x = 47,767,465.44
  5. Step 5: Solve for x
    x = 47,767,465.44/6,153.18
  6. Step 6: Final answer
    x = 7,763.05

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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.