Home / 7,490.48-10,336.38-4,133.32

Finding the Fourth Proportional to 7,490.48, 10,336.38 and 4,133.32

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Solution

The fourth proportional to 7,490.48, 10,336.38 and 4,133.32 is: 5,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.48 : 10,336.38 = 4,133.32 : x
  2. Step 2: Convert to fraction form
    7,490.48/10,336.38 = 4,133.32/x
  3. Step 3: Cross multiply
    7,490.48x = 10,336.38 × 4,133.32
  4. Step 4: Simplify right side
    7,490.48x = 42,723,566.18
  5. Step 5: Solve for x
    x = 42,723,566.18/7,490.48
  6. Step 6: Final answer
    x = 5,703.72

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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.