Home / 7,389.45-11,075.92-5,741.91

Finding the Fourth Proportional to 7,389.45, 11,075.92 and 5,741.91

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Solution

The fourth proportional to 7,389.45, 11,075.92 and 5,741.91 is: 8,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.45 : 11,075.92 = 5,741.91 : x
  2. Step 2: Convert to fraction form
    7,389.45/11,075.92 = 5,741.91/x
  3. Step 3: Cross multiply
    7,389.45x = 11,075.92 × 5,741.91
  4. Step 4: Simplify right side
    7,389.45x = 63,596,935.81
  5. Step 5: Solve for x
    x = 63,596,935.81/7,389.45
  6. Step 6: Final answer
    x = 8,606.45

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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.