Home / 7,884.09-10,880.55-4,347.32

Finding the Fourth Proportional to 7,884.09, 10,880.55 and 4,347.32

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Solution

The fourth proportional to 7,884.09, 10,880.55 and 4,347.32 is: 5,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.09 : 10,880.55 = 4,347.32 : x
  2. Step 2: Convert to fraction form
    7,884.09/10,880.55 = 4,347.32/x
  3. Step 3: Cross multiply
    7,884.09x = 10,880.55 × 4,347.32
  4. Step 4: Simplify right side
    7,884.09x = 47,301,178.22
  5. Step 5: Solve for x
    x = 47,301,178.22/7,884.09
  6. Step 6: Final answer
    x = 5,999.57

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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.