Home / 6,407.04-8,841.34-3,718.05

Finding the Fourth Proportional to 6,407.04, 8,841.34 and 3,718.05

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Solution

The fourth proportional to 6,407.04, 8,841.34 and 3,718.05 is: 5,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,407.04 : 8,841.34 = 3,718.05 : x
  2. Step 2: Convert to fraction form
    6,407.04/8,841.34 = 3,718.05/x
  3. Step 3: Cross multiply
    6,407.04x = 8,841.34 × 3,718.05
  4. Step 4: Simplify right side
    6,407.04x = 32,872,544.19
  5. Step 5: Solve for x
    x = 32,872,544.19/6,407.04
  6. Step 6: Final answer
    x = 5,130.69

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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.