Home / 6,931.64-10,400.04-4,160.30

Finding the Fourth Proportional to 6,931.64, 10,400.04 and 4,160.30

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Solution

The fourth proportional to 6,931.64, 10,400.04 and 4,160.30 is: 6,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.64 : 10,400.04 = 4,160.30 : x
  2. Step 2: Convert to fraction form
    6,931.64/10,400.04 = 4,160.30/x
  3. Step 3: Cross multiply
    6,931.64x = 10,400.04 × 4,160.30
  4. Step 4: Simplify right side
    6,931.64x = 43,267,234.41
  5. Step 5: Solve for x
    x = 43,267,234.41/6,931.64
  6. Step 6: Final answer
    x = 6,242.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.