Home / 8,408.16-11,596.80-4,870.08

Finding the Fourth Proportional to 8,408.16, 11,596.80 and 4,870.08

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Solution

The fourth proportional to 8,408.16, 11,596.80 and 4,870.08 is: 6,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.16 : 11,596.80 = 4,870.08 : x
  2. Step 2: Convert to fraction form
    8,408.16/11,596.80 = 4,870.08/x
  3. Step 3: Cross multiply
    8,408.16x = 11,596.80 × 4,870.08
  4. Step 4: Simplify right side
    8,408.16x = 56,477,343.74
  5. Step 5: Solve for x
    x = 56,477,343.74/8,408.16
  6. Step 6: Final answer
    x = 6,716.97

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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.