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Finding the Fourth Proportional to 4,709.70, 7,064.55 and 3,068.10

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Solution

The fourth proportional to 4,709.70, 7,064.55 and 3,068.10 is: 4,602.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.70 : 7,064.55 = 3,068.10 : x
  2. Step 2: Convert to fraction form
    4,709.70/7,064.55 = 3,068.10/x
  3. Step 3: Cross multiply
    4,709.70x = 7,064.55 × 3,068.10
  4. Step 4: Simplify right side
    4,709.70x = 21,674,745.86
  5. Step 5: Solve for x
    x = 21,674,745.86/4,709.70
  6. Step 6: Final answer
    x = 4,602.15

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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.