Home / 7,904.16-10,909.91-4,918.23

Finding the Fourth Proportional to 7,904.16, 10,909.91 and 4,918.23

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Solution

The fourth proportional to 7,904.16, 10,909.91 and 4,918.23 is: 6,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.16 : 10,909.91 = 4,918.23 : x
  2. Step 2: Convert to fraction form
    7,904.16/10,909.91 = 4,918.23/x
  3. Step 3: Cross multiply
    7,904.16x = 10,909.91 × 4,918.23
  4. Step 4: Simplify right side
    7,904.16x = 53,657,422.07
  5. Step 5: Solve for x
    x = 53,657,422.07/7,904.16
  6. Step 6: Final answer
    x = 6,788.50

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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.