Home / 7,505.58-10,357.64-4,148.32

Finding the Fourth Proportional to 7,505.58, 10,357.64 and 4,148.32

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Solution

The fourth proportional to 7,505.58, 10,357.64 and 4,148.32 is: 5,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.58 : 10,357.64 = 4,148.32 : x
  2. Step 2: Convert to fraction form
    7,505.58/10,357.64 = 4,148.32/x
  3. Step 3: Cross multiply
    7,505.58x = 10,357.64 × 4,148.32
  4. Step 4: Simplify right side
    7,505.58x = 42,966,805.16
  5. Step 5: Solve for x
    x = 42,966,805.16/7,505.58
  6. Step 6: Final answer
    x = 5,724.65

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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.