Home / 7,756.61-10,698.26-5,370.57

Finding the Fourth Proportional to 7,756.61, 10,698.26 and 5,370.57

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Solution

The fourth proportional to 7,756.61, 10,698.26 and 5,370.57 is: 7,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.61 : 10,698.26 = 5,370.57 : x
  2. Step 2: Convert to fraction form
    7,756.61/10,698.26 = 5,370.57/x
  3. Step 3: Cross multiply
    7,756.61x = 10,698.26 × 5,370.57
  4. Step 4: Simplify right side
    7,756.61x = 57,455,727.36
  5. Step 5: Solve for x
    x = 57,455,727.36/7,756.61
  6. Step 6: Final answer
    x = 7,407.33

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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.