Home / 7,642.26-10,543.95-4,812.48

Finding the Fourth Proportional to 7,642.26, 10,543.95 and 4,812.48

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Solution

The fourth proportional to 7,642.26, 10,543.95 and 4,812.48 is: 6,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.26 : 10,543.95 = 4,812.48 : x
  2. Step 2: Convert to fraction form
    7,642.26/10,543.95 = 4,812.48/x
  3. Step 3: Cross multiply
    7,642.26x = 10,543.95 × 4,812.48
  4. Step 4: Simplify right side
    7,642.26x = 50,742,548.50
  5. Step 5: Solve for x
    x = 50,742,548.50/7,642.26
  6. Step 6: Final answer
    x = 6,639.73

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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.