Home / 7,470.21-10,308.73-4,284.08

Finding the Fourth Proportional to 7,470.21, 10,308.73 and 4,284.08

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Solution

The fourth proportional to 7,470.21, 10,308.73 and 4,284.08 is: 5,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.21 : 10,308.73 = 4,284.08 : x
  2. Step 2: Convert to fraction form
    7,470.21/10,308.73 = 4,284.08/x
  3. Step 3: Cross multiply
    7,470.21x = 10,308.73 × 4,284.08
  4. Step 4: Simplify right side
    7,470.21x = 44,163,424.02
  5. Step 5: Solve for x
    x = 44,163,424.02/7,470.21
  6. Step 6: Final answer
    x = 5,911.94

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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.