Home / 4,746.48-7,120.74-1,459.50

Finding the Fourth Proportional to 4,746.48, 7,120.74 and 1,459.50

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Solution

The fourth proportional to 4,746.48, 7,120.74 and 1,459.50 is: 2,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.48 : 7,120.74 = 1,459.50 : x
  2. Step 2: Convert to fraction form
    4,746.48/7,120.74 = 1,459.50/x
  3. Step 3: Cross multiply
    4,746.48x = 7,120.74 × 1,459.50
  4. Step 4: Simplify right side
    4,746.48x = 10,392,720.03
  5. Step 5: Solve for x
    x = 10,392,720.03/4,746.48
  6. Step 6: Final answer
    x = 2,189.56

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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.