Home / 4,856.76-7,284.27-1,298.90

Finding the Fourth Proportional to 4,856.76, 7,284.27 and 1,298.90

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Solution

The fourth proportional to 4,856.76, 7,284.27 and 1,298.90 is: 1,948.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.76 : 7,284.27 = 1,298.90 : x
  2. Step 2: Convert to fraction form
    4,856.76/7,284.27 = 1,298.90/x
  3. Step 3: Cross multiply
    4,856.76x = 7,284.27 × 1,298.90
  4. Step 4: Simplify right side
    4,856.76x = 9,461,501.88
  5. Step 5: Solve for x
    x = 9,461,501.88/4,856.76
  6. Step 6: Final answer
    x = 1,948.11

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Double scale
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Similar ratio
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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.