Home / 4,970.28-6,856.02-3,457.20

Finding the Fourth Proportional to 4,970.28, 6,856.02 and 3,457.20

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Solution

The fourth proportional to 4,970.28, 6,856.02 and 3,457.20 is: 4,768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.28 : 6,856.02 = 3,457.20 : x
  2. Step 2: Convert to fraction form
    4,970.28/6,856.02 = 3,457.20/x
  3. Step 3: Cross multiply
    4,970.28x = 6,856.02 × 3,457.20
  4. Step 4: Simplify right side
    4,970.28x = 23,702,632.34
  5. Step 5: Solve for x
    x = 23,702,632.34/4,970.28
  6. Step 6: Final answer
    x = 4,768.87

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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.