Home / 7,864.48-10,848.90-6,374.08

Finding the Fourth Proportional to 7,864.48, 10,848.90 and 6,374.08

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Solution

The fourth proportional to 7,864.48, 10,848.90 and 6,374.08 is: 8,792.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.48 : 10,848.90 = 6,374.08 : x
  2. Step 2: Convert to fraction form
    7,864.48/10,848.90 = 6,374.08/x
  3. Step 3: Cross multiply
    7,864.48x = 10,848.90 × 6,374.08
  4. Step 4: Simplify right side
    7,864.48x = 69,151,756.51
  5. Step 5: Solve for x
    x = 69,151,756.51/7,864.48
  6. Step 6: Final answer
    x = 8,792.92

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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.