Home / 7,547.08-11,315.16-5,075.76

Finding the Fourth Proportional to 7,547.08, 11,315.16 and 5,075.76

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Solution

The fourth proportional to 7,547.08, 11,315.16 and 5,075.76 is: 7,609.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.08 : 11,315.16 = 5,075.76 : x
  2. Step 2: Convert to fraction form
    7,547.08/11,315.16 = 5,075.76/x
  3. Step 3: Cross multiply
    7,547.08x = 11,315.16 × 5,075.76
  4. Step 4: Simplify right side
    7,547.08x = 57,433,036.52
  5. Step 5: Solve for x
    x = 57,433,036.52/7,547.08
  6. Step 6: Final answer
    x = 7,609.97

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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.