Home / 9,319.70-12,860.95-5,070.58

Finding the Fourth Proportional to 9,319.70, 12,860.95 and 5,070.58

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Solution

The fourth proportional to 9,319.70, 12,860.95 and 5,070.58 is: 6,997.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.70 : 12,860.95 = 5,070.58 : x
  2. Step 2: Convert to fraction form
    9,319.70/12,860.95 = 5,070.58/x
  3. Step 3: Cross multiply
    9,319.70x = 12,860.95 × 5,070.58
  4. Step 4: Simplify right side
    9,319.70x = 65,212,475.85
  5. Step 5: Solve for x
    x = 65,212,475.85/9,319.70
  6. Step 6: Final answer
    x = 6,997.27

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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.