Home / 7,490.15-10,336.47-4,133.08

Finding the Fourth Proportional to 7,490.15, 10,336.47 and 4,133.08

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Solution

The fourth proportional to 7,490.15, 10,336.47 and 4,133.08 is: 5,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.15 : 10,336.47 = 4,133.08 : x
  2. Step 2: Convert to fraction form
    7,490.15/10,336.47 = 4,133.08/x
  3. Step 3: Cross multiply
    7,490.15x = 10,336.47 × 4,133.08
  4. Step 4: Simplify right side
    7,490.15x = 42,721,457.43
  5. Step 5: Solve for x
    x = 42,721,457.43/7,490.15
  6. Step 6: Final answer
    x = 5,703.69

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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.