Home / 5,307.35-7,953.48-3,909.70

Finding the Fourth Proportional to 5,307.35, 7,953.48 and 3,909.70

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Solution

The fourth proportional to 5,307.35, 7,953.48 and 3,909.70 is: 5,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.35 : 7,953.48 = 3,909.70 : x
  2. Step 2: Convert to fraction form
    5,307.35/7,953.48 = 3,909.70/x
  3. Step 3: Cross multiply
    5,307.35x = 7,953.48 × 3,909.70
  4. Step 4: Simplify right side
    5,307.35x = 31,095,680.99
  5. Step 5: Solve for x
    x = 31,095,680.99/5,307.35
  6. Step 6: Final answer
    x = 5,858.98

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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.