Home / 6,890.37-9,510.84-4,057.51

Finding the Fourth Proportional to 6,890.37, 9,510.84 and 4,057.51

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Solution

The fourth proportional to 6,890.37, 9,510.84 and 4,057.51 is: 5,600.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.37 : 9,510.84 = 4,057.51 : x
  2. Step 2: Convert to fraction form
    6,890.37/9,510.84 = 4,057.51/x
  3. Step 3: Cross multiply
    6,890.37x = 9,510.84 × 4,057.51
  4. Step 4: Simplify right side
    6,890.37x = 38,590,328.41
  5. Step 5: Solve for x
    x = 38,590,328.41/6,890.37
  6. Step 6: Final answer
    x = 5,600.62

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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.