Home / 8,457.87-11,683.02-6,492.72

Finding the Fourth Proportional to 8,457.87, 11,683.02 and 6,492.72

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Solution

The fourth proportional to 8,457.87, 11,683.02 and 6,492.72 is: 8,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.87 : 11,683.02 = 6,492.72 : x
  2. Step 2: Convert to fraction form
    8,457.87/11,683.02 = 6,492.72/x
  3. Step 3: Cross multiply
    8,457.87x = 11,683.02 × 6,492.72
  4. Step 4: Simplify right side
    8,457.87x = 75,854,577.61
  5. Step 5: Solve for x
    x = 75,854,577.61/8,457.87
  6. Step 6: Final answer
    x = 8,968.52

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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.