Home / 7,242.32-10,817.36-6,547.84

Finding the Fourth Proportional to 7,242.32, 10,817.36 and 6,547.84

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Solution

The fourth proportional to 7,242.32, 10,817.36 and 6,547.84 is: 9,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.32 : 10,817.36 = 6,547.84 : x
  2. Step 2: Convert to fraction form
    7,242.32/10,817.36 = 6,547.84/x
  3. Step 3: Cross multiply
    7,242.32x = 10,817.36 × 6,547.84
  4. Step 4: Simplify right side
    7,242.32x = 70,830,342.50
  5. Step 5: Solve for x
    x = 70,830,342.50/7,242.32
  6. Step 6: Final answer
    x = 9,780.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.