Home / 7,210.08-9,950.04-4,228.07

Finding the Fourth Proportional to 7,210.08, 9,950.04 and 4,228.07

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Solution

The fourth proportional to 7,210.08, 9,950.04 and 4,228.07 is: 5,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.08 : 9,950.04 = 4,228.07 : x
  2. Step 2: Convert to fraction form
    7,210.08/9,950.04 = 4,228.07/x
  3. Step 3: Cross multiply
    7,210.08x = 9,950.04 × 4,228.07
  4. Step 4: Simplify right side
    7,210.08x = 42,069,415.87
  5. Step 5: Solve for x
    x = 42,069,415.87/7,210.08
  6. Step 6: Final answer
    x = 5,834.81

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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.