Home / 7,526.40-10,386.40-4,169.76

Finding the Fourth Proportional to 7,526.40, 10,386.40 and 4,169.76

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Solution

The fourth proportional to 7,526.40, 10,386.40 and 4,169.76 is: 5,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526.40 : 10,386.40 = 4,169.76 : x
  2. Step 2: Convert to fraction form
    7,526.40/10,386.40 = 4,169.76/x
  3. Step 3: Cross multiply
    7,526.40x = 10,386.40 × 4,169.76
  4. Step 4: Simplify right side
    7,526.40x = 43,308,795.26
  5. Step 5: Solve for x
    x = 43,308,795.26/7,526.40
  6. Step 6: Final answer
    x = 5,754.25

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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.