Home / 7,303.90-10,087.69-4,909.71

Finding the Fourth Proportional to 7,303.90, 10,087.69 and 4,909.71

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Solution

The fourth proportional to 7,303.90, 10,087.69 and 4,909.71 is: 6,780.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303.90 : 10,087.69 = 4,909.71 : x
  2. Step 2: Convert to fraction form
    7,303.90/10,087.69 = 4,909.71/x
  3. Step 3: Cross multiply
    7,303.90x = 10,087.69 × 4,909.71
  4. Step 4: Simplify right side
    7,303.90x = 49,527,632.47
  5. Step 5: Solve for x
    x = 49,527,632.47/7,303.90
  6. Step 6: Final answer
    x = 6,780.99

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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.