Home / 7,313.37-10,970.06-3,420.51

Finding the Fourth Proportional to 7,313.37, 10,970.06 and 3,420.51

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Solution

The fourth proportional to 7,313.37, 10,970.06 and 3,420.51 is: 5,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.37 : 10,970.06 = 3,420.51 : x
  2. Step 2: Convert to fraction form
    7,313.37/10,970.06 = 3,420.51/x
  3. Step 3: Cross multiply
    7,313.37x = 10,970.06 × 3,420.51
  4. Step 4: Simplify right side
    7,313.37x = 37,523,199.93
  5. Step 5: Solve for x
    x = 37,523,199.93/7,313.37
  6. Step 6: Final answer
    x = 5,130.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.