Home / 7,556.69-10,430.12-4,572.05

Finding the Fourth Proportional to 7,556.69, 10,430.12 and 4,572.05

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Solution

The fourth proportional to 7,556.69, 10,430.12 and 4,572.05 is: 6,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.69 : 10,430.12 = 4,572.05 : x
  2. Step 2: Convert to fraction form
    7,556.69/10,430.12 = 4,572.05/x
  3. Step 3: Cross multiply
    7,556.69x = 10,430.12 × 4,572.05
  4. Step 4: Simplify right side
    7,556.69x = 47,686,963.71
  5. Step 5: Solve for x
    x = 47,686,963.71/7,556.69
  6. Step 6: Final answer
    x = 6,310.56

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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.