Home / 5,300.15-7,312.70-3,412.82

Finding the Fourth Proportional to 5,300.15, 7,312.70 and 3,412.82

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Solution

The fourth proportional to 5,300.15, 7,312.70 and 3,412.82 is: 4,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.15 : 7,312.70 = 3,412.82 : x
  2. Step 2: Convert to fraction form
    5,300.15/7,312.70 = 3,412.82/x
  3. Step 3: Cross multiply
    5,300.15x = 7,312.70 × 3,412.82
  4. Step 4: Simplify right side
    5,300.15x = 24,956,875.19
  5. Step 5: Solve for x
    x = 24,956,875.19/5,300.15
  6. Step 6: Final answer
    x = 4,708.72

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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.