Home / 6,784.32-10,157.28-4,313

Finding the Fourth Proportional to 6,784.32, 10,157.28 and 4,313

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Solution

The fourth proportional to 6,784.32, 10,157.28 and 4,313 is: 6,457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.32 : 10,157.28 = 4,313 : x
  2. Step 2: Convert to fraction form
    6,784.32/10,157.28 = 4,313/x
  3. Step 3: Cross multiply
    6,784.32x = 10,157.28 × 4,313
  4. Step 4: Simplify right side
    6,784.32x = 43,808,348.64
  5. Step 5: Solve for x
    x = 43,808,348.64/6,784.32
  6. Step 6: Final answer
    x = 6,457.29

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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.